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Impurities & Reference Standards

Pharmacopoeial and non-pharmacopoeial impurities, metabolites, nitrosamines and working standards with characterisation data for QC and regulatory work.

28,554products

6sub-categories

2,746in stock

COA + SDSwith every lot

API Impurities 14,252 Pharmacopeial Impurities (EP / USP / BP) 4,401 Nitrosamine Impurities 650 Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,612 Metabolites & Degradation Products 4,146 API Reference Standards 3,493

Reference Standard

Magaldrate

CAS: 1317-26-6
Formula: Al₅Mg₁₀(OH)₃₁(SO₄)₂·xH₂O

VQ-049003

Reference Standard

Magnesium L-aspartate dihydrate chemical structure

Magnesium L-aspartate dihydrate

CAS: 215533-00-9
Formula: C₈H₁₆MgN₂O₁₀
MW: 324.53 g/mol

VQ-037828

Reference Standard

Magnesium Valproate chemical structure

Magnesium Valproate

CAS: 62959-43-7
Formula: C₁₆H₃₀MgO₄
MW: 310.71 g/mol

VQ-042796

Reference Standard

Mahanimbine chemical structure

CAS: 21104-28-9
Formula: C₂₃H₂₅NO
MW: 331.4 g/mol

VQ-051842

Reference Standard

Malachite Green chemical structure

Malachite Green

CAS: 569-64-2
Formula: C₂₃H₂₅ClN₂
MW: 364.9 g/mol

VQ-038244

Reference Standard

Malachite Green-d5 Picrate chemical structure

Malachite Green-d5 Picrate

CAS: 1258668-21-1
Formula: C₂₉H₂₇N₅O₇
MW: 562.6 g/mol

VQ-038245

Reference Standard

Malaoxon chemical structure

CAS: 1634-78-2
Formula: C₁₀H₁₉O₇PS
MW: 314.29 g/mol

VQ-027163

Reference Standard

Malathion chemical structure

CAS: 121-75-5
Formula: C₁₀H₁₉O₆PS₂
MW: 330.4 g/mol

VQ-026551

Reference Standard

Malathion EP Impurity C chemical structure

Malathion EP Impurity C

CAS: 33779-98-5
Formula: C₉H₁₇O₆PS₂
MW: 316.3 g/mol

VQ-044756

Reference Standard

Maleic-2,3-d2 Hydrazide chemical structure

Maleic-2,3-d2 Hydrazide

CAS: 2398483-97-9
Formula: C₄H₄N₂O₂
MW: 114.1 g/mol

VQ-052441

Reference Standard

Maltitol chemical structure

CAS: 585-88-6
Formula: C₁₂H₂₄O₁₁
MW: 344.31 g/mol

VQ-026553

Reference Standard

Maltoheptaose chemical structure

CAS: 34620-78-5
Formula: C₄₂H₇₂O₃₆
MW: 1153 g/mol

VQ-041085

Reference Standard

Maltononaose chemical structure

CAS: 6471-60-9
Formula: C₅₄H₉₂O₄₆
MW: 1477.3 g/mol

VQ-040900

Reference Standard

Maltooctaose chemical structure

CAS: 66567-45-1
Formula: C₄₈H₈₂O₄₁
MW: 1315.1 g/mol

VQ-049005

Reference Standard

Maltopentose chemical structure

CAS: 34620-76-3
Formula: C₃₀H₅₂O₂₆
MW: 828.7 g/mol

VQ-037441

Reference Standard

Maltose chemical structure

CAS: 69-79-4
Formula: C₁₂H₂₂O₁₁
MW: 342.3 g/mol

VQ-038248

Reference Standard

Maltotetraose chemical structure

CAS: 34612-38-9
Formula: C₂₄H₄₂O₂₁
MW: 666.6 g/mol

VQ-038249

Reference Standard

Maltotriitol chemical structure

CAS: 32860-62-1
Formula: C₁₈H₃₄O₁₆
MW: 506.5 g/mol

VQ-031713

Reference Standard

Maltotriose hydrate chemical structure

Maltotriose hydrate

CAS: 207511-08-8
Formula: C₁₈H₃₄O₁₇
MW: 522.5 g/mol

VQ-039054

Reference Standard

Malvidin-3-Galactoside chemical structure

Malvidin-3-Galactoside

CAS: 30113-37-2
Formula: C₂₃H₂₅ClO₁₂
MW: 528.9 g/mol

VQ-040415

Reference Standard

Malvidin-3-glucoside chloride chemical structure

Malvidin-3-glucoside chloride

CAS: 7228-78-6
Formula: C₂₃H₂₅O₁₂⁺
MW: 493.4 g/mol

VQ-040414

Reference Standard

Mangiferin chemical structure

CAS: 4773-96-0
Formula: C₁₉H₁₈O₁₁
MW: 422.3 g/mol

VQ-032871

Reference Standard

Manidipine Dihydrochloride chemical structure

Manidipine Dihydrochloride

CAS: 89226-75-5
Formula: C₃₅H₄₀Cl₂N₄O₆
MW: 683.6 g/mol

VQ-038250

Reference Standard

Manidipine EP Impurity B Hydrochloride

Manidipine EP Impurity B Hydrochloride

CAS: 1332595-98-8
Formula: C₃₆H₄₁ClN₄O₆
MW: 661.2 g/mol

VQ-038253

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